4155493 has 4 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 4137868.

The previous prime is 4155469. The next prime is 4155511. The reversal of 4155493 is 3945514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4155493 - 2²¹ = 2058341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8455 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^4155493 is an apocalyptic number.

It is an amenable number.

4155493 is a deficient number, since it is larger than the sum of its proper divisors (17627).

4155493 is a wasteful number, since it uses less digits than its factorization.

4155493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626.

The product of its digits is 10800, while the sum is 31.

The square root of 4155493 is about 2038.5026367410. The cubic root of 4155493 is about 160.7709279100.

The spelling of 4155493 in words is "four million, one hundred fifty-five thousand, four hundred ninety-three".